Question

Tolong yang jago matematika nomer 1 bagian a;b ,c.dgn caranya yang lengkap

Answer 1

Verified answer

Bab Persamaan Garis
Matematika SMP Kelas VIII

1a] y - y1 = m (x - x1)
y - 3 = 3 (x - 2)
y = 3x - 6 + 3
y = 3x - 3

1b] y = m (x - x1) + y1
y = 3 (x - 4) - 2
y = 3x - 12 - 2
y = 3x - 14

1c] y = m (x - x1) + y1
y = 3 (x - (-6)) + 8
y = 3 (x + 6) + 8
y = 3x + 18 + 8
y = 3x + 26